I can copy and paste exactly the same as on a Mac, using a mouse. I can copy and paste by touching, iOS style. I can copy and paste by circling with the pencil.
They are all three extremely simple to do, require no less precision than anything else.
I have never had any trouble copying anything, or any trouble with font type. In fact I have found it annoyingly consistant with copying fonts and formatting across, to the point where I wrote a Siri shortcut to make something I have copied plain text for when I don’t want to include it.
People that call the ipad a toy have automatically weakened their own argument against it. Whether you can use it professionally or creatively or not is irrelevant- many many people do and so it’s very clearly not a toy.
I can copy and paste exactly the same as on a Mac by using the keyboard.